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