Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
dap nhung » vap nhung, va nhung, dap ung
tung dap » tung dan, trung dai, tuong dan
cong san » cong tac
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 manh - thanh tung dap nhung cong san ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - thanh tung dap nhung cong san ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - thanh tung dap nhung cong san ((than cau) or (phan cau))*.