Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu tinh ca snippets" » "phu ninh ca snippets", "chau tinh ca snippets", "khun tinh ca snippets", "phu tinh cao snippets", "phu tinh cua snippets", "phu tinh va 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 ca 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 ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.