Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con tinh ca snippets" » "cong tinh ca snippets", "don tinh ca snippets", "son tinh ca snippets", "con tinh cao snippets", "con tinh cua snippets", "con tinh 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: (((("con tinh 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: (((("con tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.