Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
tinh cua » trinh cua, sinh cua, tinh chat
van tan » van tuan, van ban, van tai

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) OR (hoc hien)) xanh - hanh tinh cua nhung cong ((manh toan) or (van tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - hanh tinh cua nhung cong ((manh toan) OR (van tan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) xanh - hanh tinh cua nhung cong ((manh toan) or (van tan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) xanh - hanh tinh cua nhung cong ((manh toan) or (van tan)) cau*.