Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao thuoc do snippets" » "cay thuoc do snippets", "tao thuoc do snippets", "cao thuong do snippets", "cao thuoc bo snippets", "cao thuoc ho snippets", "cao thuoc 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: (((("cao thuoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao thuoc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao thuoc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao thuoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.