Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai hong che snippets" » "lai hoang che snippets", "dai hong che snippets", "lai dong che snippets", "lai khong che snippets", "lai cong 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: (((("lai hong 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: (((("lai hong che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai hong che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai hong che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.