Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan kinh ca snippets" » "than kinh ca snippets", "xuan kinh ca snippets", "toan tin ca snippets", "toan kinh can snippets", "toan tinh ca snippets", "toan kinh co 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: (((("toan kinh 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: (((("toan kinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan kinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan kinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.