Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap thuc hon snippets" » "tap tuc hon snippets", "tam thuc hon snippets", "toan thuc hon snippets", "tap phuc hon snippets", "tap thuc con 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 thuc hon 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 thuc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap thuc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap thuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.