Perhaps you should try some spelling variations:
"luong cac trinh snippets" » "luong cuoc trinh snippets", "luong va trinh snippets", "luong tai trinh snippets", "luong cac tinh snippets", "luong lap trinh snippets", "luong cac thanh snippets", "luong cac trinh slippers"
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("luong cac trinh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong cac trinh snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong cac trinh snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong cac trinh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.