Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho cuu toan snippets" » "tho cuu hoan snippets", "tho cua toan snippets", "tho huu toan snippets", "ho cuu toan snippets", "tho chu toan 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: (((("tho cuu toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tho cuu toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho cuu toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho cuu toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.