Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san, tinh toan
tien minh » trien minh, lien minh, tien manh
nang luan » tang luan, nang quan, bang luan
hang luan » tang luan, dung luan
manh toan » anh tuan, tinh toan
hoc tien » hoc tieng, hoc hien, hoc vien

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien minh - ganh ((nang luan) OR (hang luan)) nhung cong ((manh toan) or (thanh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien minh - ganh ((nang luan) OR (hang luan)) nhung cong ((manh toan) OR (thanh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien minh - ganh ((nang luan) OR (hang luan)) nhung cong ((manh toan) or (thanh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc tien minh - ganh ((nang luan) OR (hang luan)) nhung cong ((manh toan) or (thanh toan)) tap*.