Perhaps you should try some spelling variations:
dong thanh » truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
cong manh » cong danh, duong manh, cong thanh
doi lieu » duoc lieu, doi chieu, du lieu
toan cao » toan ban, toan tap
manh va » hanh va, anh va, lanh va
minh va » tinh va, sinh va, sinh vat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - canh ((manh va) or (minh va)) nhung ((cong manh) or (dong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - canh ((manh va) OR (minh va)) nhung ((cong manh) OR (dong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - canh ((manh va) or (minh va)) nhung ((cong manh) or (dong thanh)) toan cao*.