Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cach hoc snippets" » "thi bach hoc snippets", "thi canh hoc snippets", "tho cach hoc snippets", "thi cach thuc snippets", "thi cach thoi snippets", "thi dich hoc 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: (((("thi cach hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi cach hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cach hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cach hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.