Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"han quoc ban snippets" » "han quoc bao snippets", "han quoc lan snippets", "han quoc quan snippets", "phan quoc ban snippets", "nhan quoc ban snippets", "hanh quoc ban 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: (((("han quoc ban snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han quoc ban snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( han quoc ban snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han quoc ban snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.