Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
danh trung » dang trung, dinh trung, thanh trung
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
ngang tuan » quang tuan, hoang tuan, trang tuan
nganh toan » nganh thanh, thanh toan, manh toan
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - ((danh trung) or (manh trung)) va nhung cong ((ngang tuan) OR (nganh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((danh trung) OR (manh trung)) va nhung cong ((ngang tuan) OR (nganh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - ((danh trung) or (manh trung)) va nhung cong ((ngang tuan) OR (nganh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((danh trung) or (manh trung)) va nhung cong ((ngang tuan) OR (nganh toan)) cau*.