Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"using java java snippets" » "using data java snippets"
"van duong tai snippets" » "van dong tai snippets", "van dung tai snippets", "van phong tai snippets", "van luong tai 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 tai snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("van duong tai snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van duong tai snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van duong tai snippets"))) or ("locating bugs code slippers"))*.