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