Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"canh tac du snippets" » "canh tay du snippets", "canh giac du snippets", "cong tac du snippets", "canh tac dau snippets", "canh cac du snippets", "canh tac da 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: (((("canh tac du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh tac du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( canh tac du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh tac du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.