Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quang hao le snippets" » "quang cao le snippets", "quang bao le snippets", "quang hai le snippets", "quang ha le snippets", "quang dao le snippets", "quang ho le 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: (((("quang hao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang hao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang hao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang hao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.