Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap kinh mon snippets" » "than kinh mon snippets", "toan kinh mon snippets", "tri kinh mon snippets", "tap dinh moi snippets", "tap kinh hoc snippets", "tap kinh co 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: (((("tap kinh mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap kinh mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap kinh mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap kinh mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.