Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap dieu can snippets" » "ap dieu can snippets", "cap dieu can snippets", "tao dieu can snippets", "tap dieu hanh snippets", "tap tiep can snippets", "tap dieu cua 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: (((("tap dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap dieu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap dieu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.