Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van loc doc snippets" » "van hoc doc snippets", "van loi doc snippets", "van ngoc doc snippets", "van hoc duoc snippets", "van luoc doi snippets", "van soc duoc 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 loc doc 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 loc doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van loc doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van loc doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.