Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham chuc ca snippets" » "pham duc ca snippets", "pham huu ca snippets", "kham chua ca snippets", "pham chuc can snippets", "pham chuc cua snippets", "pham chuc 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: (((("pham chuc 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: (((("pham chuc ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham chuc ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham chuc ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.