Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don tu chi snippets" » "dong tu chi snippets", "doan tu chi snippets", "mon tu chi snippets", "don thu chi snippets", "don tu chiu snippets", "don tu choi 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: (((("don tu 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: (((("don tu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don tu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don tu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.