Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha tinh co snippets" » "chau tinh co snippets", "cham tinh co snippets", "chai tinh co snippets", "cha trinh co snippets", "cha tinh cao snippets", "cha tinh cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cha tinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cha tinh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cha tinh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cha tinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.