Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"hoc using java snippets" » "hoc using data snippets", "shock using java snippets", "hoc ung java snippets", "hoc sinh java snippets"
"luong cac cong snippets" » "luong cuoc cong snippets", "luong va cong snippets", "luong tai cong snippets", "luong cua cong 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 cong snippets") or ("hoc using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong cac cong snippets") OR ("hoc using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( luong cac cong snippets ) or ( hoc using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong cac cong snippets") or ("hoc using java snippets"))) or ("locating bugs code snippets"))*.