Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van luat hoi snippets" » "van luat code snippets", "va luat hoi snippets", "van xuat hoi snippets", "dan luat hoi snippets", "van luat moi snippets", "van luat so snippets", "van luat dai snippets"
"python using java snippets" » "python using data snippets"

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

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