Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
quan thanh » ban thanh, van thanh
hoc nganh » hoc nhanh
thanh mau » hanh mau, thanh san, thanh hai
cach tuc » cach thuc, cach tu, bach tuoc
hai quan » tac quan
tu cach » tu cac
mo hoc » mon hoc, co hoc
hoc ta » hoc tai, hoc tan, hoc tam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach tuc tap, nghien cuu mo hoc nganh cong ((hoc ta) or (hoc tap)) hai quan thanh mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach tuc tap, nghien cuu mo hoc nganh cong ((hoc ta) OR (hoc tap)) hai quan thanh mau.
• Adding a wildcard symbol may retrieve word variants: tu cach tuc tap, nghien cuu mo hoc nganh cong ((hoc ta) or (hoc tap)) hai quan thanh mau*.