Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh hung » thanh huong, thanh tung, thanh trung
duong manh » duong van
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
hung cua » huong cua, chung cua, khung cua
cua nong » cua cong, cuu nong, cua dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - thanh hung cua nong ((duong manh) or (cong thanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh hung cua nong ((duong manh) OR (cong thanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh hung cua nong ((duong manh) or (cong thanh)) van ban*.