Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoat van loc snippets" » "hoa van loc snippets", "hat van loc snippets", "hoang van loc snippets", "hoat van hoc snippets", "hoat van loi snippets", "hoat van ngoc 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: (((("hoat van loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoat van loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoat van loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoat van loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.