Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bot san canh snippets" » "bot van canh snippets", "bot dan canh snippets", "bot san chang snippets", "tot san canh 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: (((("bot san canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bot san canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bot san canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bot san canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.