Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan hoa cho snippets" » "van hoa cho snippets", "lai hoa cho snippets", "lac hoa cho snippets", "lan hoa cheo snippets", "lan hoa co snippets", "lan hoa ho 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 hoa 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 hoa cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan hoa cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan hoa cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.