Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bua sang cho snippets" » "bua sang code snippets", "cua sang cho snippets", "lua sang cho snippets", "qua sang cho snippets", "bua danh cho snippets", "bua dung cho snippets", "bua sang tao 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: (((("bua sang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua sang cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bua sang cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua sang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.