Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra sua cham snippets" » "tra qua cham snippets", "tra sua nham snippets", "tra suat chat snippets", "tri sua cham snippets", "tra quan cham 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: (((("tra sua cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra sua cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra sua cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra sua cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.