Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu tinh cua snippets" » "phu ninh cua snippets", "chau tinh cua snippets", "khun tinh cua snippets", "phu trinh cua snippets", "phu sinh cua snippets", "phu tinh chat 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: (((("phu tinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu tinh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu tinh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu tinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.