Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan gac cho snippets" » "lan gap cho snippets", "lan dac cho snippets", "lam gach cho snippets", "lan tac cho snippets", "lan gac khoa 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: (((("lan gac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan gac cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan gac cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan gac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.