Perhaps you should try some spelling variations:
duong manh » duong van
tieu lang » hieu lang, tien lang, tieu dung
trang vat » trang va, tang vat, trang mat
trang vai » trang va, trang tai, trang giai
cong danh » cuong danh, cong dan, cong thanh
hoi tieu » hoc tieu, hoi hieu, hoi tiep
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi tieu lang - hanh ((trang vat) OR (trang vai)) dung ((duong manh) or (cong danh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi tieu lang - hanh ((trang vat) OR (trang vai)) dung ((duong manh) OR (cong danh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi tieu lang - hanh ((trang vat) OR (trang vai)) dung ((duong manh) or (cong danh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoi tieu lang - hanh ((trang vat) OR (trang vai)) dung ((duong manh) or (cong danh)) toan tap*.