Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran vu chi snippets" » "tran vu code snippets", "tran tu chi snippets", "tran van chi snippets", "trang va chi snippets", "tran vu thi snippets", "tran cu chi snippets", "tran va chi snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("tran vu chi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran vu chi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tran vu chi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tran vu chi snippets"))) or ("locating bug core snippets"))*.