Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu va cho snippets" » "lieu van cho snippets", "lieu va co snippets", "lieu va che snippets", "hieu va cho snippets", "dieu va cho 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: (((("lieu va 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: (((("lieu va cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu va cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu va cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.