Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat cau cham snippets" » "tat ca cham snippets", "tat cau chan snippets", "tat cau chap snippets", "dat cau cham snippets", "tao cau cham 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: (((("tat cau cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tat cau cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat cau cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat cau cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.