Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuan ha mot snippets" » "chuan he mot snippets", "quan ha mot snippets", "xuan ha mot snippets", "chuan han mot snippets", "chuan hoa mot snippets", "chuan va mot 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: (((("chuan ha mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuan ha mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuan ha mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuan ha mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.