Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat van canh snippets" » "tat van anh snippets", "tat van hanh snippets", "tat van manh snippets", "hat van canh snippets", "sat van canh snippets", "tat tan canh 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: (((("python using java snippets") or ("tat van canh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tat van canh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tat van canh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tat van canh snippets"))) or ("locating bug code snippets"))*.