Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van la chet snippets" » "van la che snippets", "van cai chet snippets", "van va chiet snippets", "van lam chet snippets", "van lao chet snippets", "van lan chet snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("van la chet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van la chet snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van la chet snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van la chet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.