Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son hang loi snippets" » "song hang loi snippets", "son tang loi snippets", "son thanh loi snippets", "son thang loi snippets", "son hang doi 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: (((("son hang loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son hang loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son hang loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son hang loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.