Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ga don snippets" » "cho gv don snippets", "cho giao don snippets", "cho la don snippets", "cho ga con snippets", "cho ba don 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 ga don 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 ga don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ga don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ga don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.