Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hong coi snippets" » "thi cong coi snippets", "thi phuong coi snippets", "thi hanh coi snippets", "thi hong tuoi snippets", "thi huong com snippets", "thi khong con 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 hong coi 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 hong coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hong coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hong coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.