Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"voi hoi tran snippets" » "voi hoi trac snippets", "voi thoi trang snippets", "voi hoi thanh snippets", "voi doi tran snippets", "voi ho tran snippets", "doi hoi tran 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: (((("voi hoi tran snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi hoi tran snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( voi hoi tran snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi hoi tran snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.