Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap van chi snippets" » "phap van code snippets", "pham van chi snippets", "phan van chi snippets", "phap han chi snippets", "phap van chien snippets", "phap luan chi snippets", "phap 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: (((("phap 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: (((("phap van chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap van chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap van chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.