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