Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bua sang doc snippets" » "bua sang code snippets", "cua sang doc snippets", "lua sang doc snippets", "qua sang doc snippets", "bua nang doc snippets", "bua dang do snippets", "bua dang duc 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bua sang doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua sang doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.