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