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