Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi luong low snippets" » "vi luong code snippets", "vi duong loi snippets", "vi huong loi snippets", "vi luong do snippets", "dai luong low snippets", "van luong low snippets", "hai luong low snippets"
"using java java grippers" » "using data java grippers", "using java java slippers"

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

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