Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van chu che snippets" » "van chi che snippets", "van phu che snippets", "van cau che snippets", "van cuu che snippets", "van chu chan snippets", "van thue che 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 chu che 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 chu che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van chu che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van chu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.