Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi vien mon snippets" » "thi lien mon snippets", "thi viet mon snippets", "thi hien mon snippets", "thi vien moi snippets", "thi vien mot snippets", "thi dien mon 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 vien mon 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 vien mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi vien mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi vien mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.