Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi chuan ve snippets" » "thi thuan ve snippets", "thi xuan ve snippets", "thi hoan ve snippets", "thi chuan he snippets", "thi chuan va snippets", "thi chuan vn 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: (((("thi chuan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi chuan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi chuan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi chuan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.