Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac vang cua snippets" » "cac vang code snippets", "cac van cua snippets", "cac dang cua snippets", "tac vang cua snippets", "cac mang cua snippets", "cac hang cua snippets", "cac tang 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: (((("python using java snippets") or ("cac vang cua snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac vang cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cac vang cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cac vang cua snippets"))) or ("locating bug core snippets"))*.