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