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