Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
manh tuong » manh tung, manh cuong, minh tuong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cuong tap » luong tap, luong tai, cong tan
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
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 thieu hach - manh tuong cua bang ((cuong tap) or (cong tac)) ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - manh tuong cua bang ((cuong tap) OR (cong tac)) ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu hach - manh tuong cua bang ((cuong tap) or (cong tac)) ((toan cau) or (van ban))*.