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