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