Perhaps you should try some spelling variations:
"anh java java snippets" » "anh va java snippets"
"tinh son cong snippets" » "tinh toan cong snippets", "dinh so cong snippets", "tinh hoc cong snippets", "tinh song cong snippets", "tinh bon cong snippets", "tinh san cong snippets"
"locating bug code snippets" » "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: (((("anh java java snippets") or ("tinh son cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh java java snippets") OR ("tinh son cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh java java snippets ) or ( tinh son cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh java java snippets") or ("tinh son cong snippets"))) or ("locating bug code snippets"))*.