Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho doi cua snippets" » "pho voi cua snippets", "cho doi cua snippets", "phu doi cua snippets", "pho hoi cua snippets", "pho dai cua snippets", "pho dong cua 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: (((("pho doi 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: (((("pho doi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho doi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.