Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do van can snippets" » "do van code snippets", "do van canh snippets", "do van ban snippets", "do ban can snippets", "dao van can snippets", "vo van can snippets", "so van can 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 can 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 can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( do van can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do van can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.