Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh cua song snippets" » "anh cua cong snippets", "anh qua song snippets", "anh cua dong snippets", "manh cua song snippets", "hanh cua song snippets", "canh cua 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: (((("anh cua 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: (((("anh cua song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh cua song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh cua song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.