Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van duong loi snippets" » "van dong loi snippets", "van dung loi snippets", "van phong loi snippets", "van duong co snippets", "van duong thi snippets"

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

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