Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
cuong tap » luong tap, cong tac, luong tai
hoc dieu » hoc thieu
tang cua » mang cua, hang cua, tang luan
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc hien)) manh - hanh tang cua tong ((cong tan) or (cuong tap)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) manh - hanh tang cua tong ((cong tan) OR (cuong tap)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) manh - hanh tang cua tong ((cong tan) or (cuong tap)) toan cau*.