Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, ho chieu, hoc dieu
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 chieu) or (hoc hien)) xanh - hanh manh cua nhung ((cong tan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - hanh manh cua nhung ((cong tan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - hanh manh cua nhung ((cong tan) or (cong san)) toan cau*.