Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha tuan do snippets" » "pha tuan code snippets", "pham tuan do snippets", "pha tan do snippets", "phap luan do snippets", "pha toan do snippets", "pha truan doi snippets", "pha quan doi 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: (((("pha tuan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tuan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha tuan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tuan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.