Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua phap cap snippets" » "cu phap cap snippets", "va phap cap snippets", "cua nha cap snippets", "cua phap ca snippets", "cua phap cac snippets", "cua phap cai 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: (((("cua phap cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua phap cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua phap cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua phap cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.