Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho moi cach snippets" » "tho muoi cach snippets", "tho loi cach snippets", "tho mot cach snippets", "cho moi cach snippets", "thi moi cach snippets", "khoe moi cach 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: (((("tho moi cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tho moi cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho moi cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho moi cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.