Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi hoc mon snippets" » "cho hoc mon snippets", "chi hoa mon snippets", "chi loc mon snippets", "chi hoc moi snippets", "chi hoc mot snippets", "chi hoc cong 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: (((("chi hoc 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: (((("chi hoc mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi hoc mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi hoc mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.