Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ba chet snippets" » "cho ba che snippets", "cho la chet snippets", "cho cai chet snippets", "cho bac chet snippets", "cho bao chet snippets", "cho ga chet 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: (((("cho ba chet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho ba chet snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ba chet snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ba chet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.