Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song minh he snippets" » "tong minh he snippets", "hoang minh he snippets", "thong minh he snippets", "song minh hue snippets", "song hinh he snippets", "song minh ve 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: (((("song minh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("song minh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song minh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song minh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.