Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung vu con snippets" » "hung v con snippets", "chung cu con snippets", "chung tu con snippets", "hung vu cong snippets", "hung va con snippets", "hung vu son 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: (((("hung vu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung vu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung vu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung vu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.