Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
trung cua » trung tuan, trung cap, dung cua
manh toan » thanh toan, anh tuan, tinh toan
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, ban than, van than
hieu va » lieu va, hieu qua

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

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