Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao vang cua snippets" » "tao vang code snippets", "tac vang cua snippets", "tao van cua snippets", "tao bang cua snippets", "tao mang cua snippets", "tao hang cua snippets", "tao 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 ("tao 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 ("tao vang cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tao vang cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tao vang cua snippets"))) or ("locating bug core snippets"))*.