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