Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban cac cua snippets" » "ban cac code snippets", "bang cac cua snippets", "ban can cua snippets", "ban sac cua snippets", "ban cach cua snippets", "ban cac qua snippets", "ban ca 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: (((("ban cac 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: (((("ban cac cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban cac cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cac cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.