Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"het dan canh snippets" » "het van canh snippets", "het dan cach snippets", "het dan hanh snippets", "he dan canh snippets", "hat dan canh snippets", "hut dan 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: (((("het dan 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: (((("het dan canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( het dan canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("het dan canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.