Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hao dan cua snippets" » "hao dan code snippets", "dao dan cua snippets", "hao van cua snippets", "hat dan cua snippets", "hao dan ca snippets", "hao ban cua snippets", "hao dai cua snippets"
"python using java snippets" » "python using data 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: (((("hao dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao dan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hao dan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.