Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung cac bo snippets" » "chung cac code snippets", "chung cach bo snippets", "cung cac bo snippets", "chung cu bo snippets", "chung can bo snippets", "chung bac bo snippets", "chung cac co 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: (((("chung cac bo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung cac bo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chung cac bo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung cac bo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.