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