Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
cong manh » cong danh, duong manh, cong thanh
qua dung » quang dung, su dung, qua song
cua dong » chua dong, cua cong, cua dang
toan cao » toan ban
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: hoc thieu manh - hanh tranh ((qua dung) or (cua dong)) cong manh ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh tranh ((qua dung) OR (cua dong)) cong manh ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - hanh tranh ((qua dung) or (cua dong)) cong manh ((toan cao) or (toan tap))*.