Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lao doi canh snippets" » "lao doi hanh snippets", "lao boi canh snippets", "lao do canh snippets", "lap doi canh snippets", "tao doi 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: (((("lao doi 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: (((("lao doi canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lao doi canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lao doi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.