Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"anh hanh cua snippets" » "anh hanh code snippets", "anh thanh cua snippets", "xanh hanh cua snippets", "anh anh cua snippets", "anh manh cua snippets", "anh hang cua snippets", "anh hanh sua 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: (((("anh hanh 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: (((("anh hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( anh hanh cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh hanh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.