Perhaps you should try some spelling variations:
trung thuoc » trung thuc, trung quoc, trung hoc
hieu nganh » vien nganh, hiem ngan, hieu manh
trung chuc » trung thuc, truong thuc, trung hoc
nang cong » nang song, dang cong, bang cong
manh toan » thanh toan, tinh toan
hoc hieu » hoc thieu, hoc hien, doc hieu

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 nganh - hanh ((trung chuc) OR (trung thuoc)) nang cong ((manh toan) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - hanh ((trung chuc) OR (trung thuoc)) nang cong ((manh toan) OR (anh tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - hanh ((trung chuc) OR (trung thuoc)) nang cong ((manh toan) or (anh tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh ((trung chuc) OR (trung thuoc)) nang cong ((manh toan) or (anh tuan)) cau*.