Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau van loc snippets" » "chau van loc snippets", "khau dan loc snippets", "khao van loc snippets", "khau van hoc snippets", "khau van loi snippets", "khau van ngoc 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: (((("khau van loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khau van loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau van loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau van loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.