Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, theo chu
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan tap » toan ban
cho chu » cho thue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (cho chu)) xanh - ((hanh tang) OR (hanh mang)) cua nhung cong tam toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (cho chu)) xanh - ((hanh tang) OR (hanh mang)) cua nhung cong tam toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (cho chu)) xanh - ((hanh tang) OR (hanh mang)) cua nhung cong tam toan tap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (cho chu)) xanh - ((hanh tang) OR (hanh mang)) cua nhung cong tam toan tap*.