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