Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh hat ca snippets" » "tinh chat ca snippets", "tinh hai ca snippets", "tinh ha ca snippets", "tinh hat cua snippets", "tinh tat ca snippets", "tinh hat va 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: (((("tinh hat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh hat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh hat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh hat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.