Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac mong doi snippets" » "cac cong doi snippets", "cac mon doi snippets", "ca mong doi snippets", "cac vong doi snippets", "cac dong doi snippets", "cac mong do 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: (((("cac mong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac mong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac mong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac mong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.