Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham dat dot snippets" » "pham dat code snippets", "pham dac dot snippets", "pham dau dot snippets", "pham nhat dot snippets", "pham da dot snippets", "pham dat doc snippets", "pham dat duoc 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 dat dot 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 dat dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham dat dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham dat dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.