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