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