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