Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cach noi cua snippets" » "cach noi code snippets", "cach thoi cua snippets", "hanh noi cua snippets", "anh noi cua snippets", "cach hoi cua snippets", "cach doi cua snippets", "cach moi 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: (((("cach noi 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: (((("cach noi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cach noi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach noi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.