Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat cau song snippets" » "tat cau cong snippets", "tat cau dong snippets", "tat can song snippets", "dat cau song snippets", "tat ca song snippets", "tao cau song 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 song 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 song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat cau song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat cau song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.