Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc
dung khoa » dung cho
phap cong » phan cong, pham cong, phap phong
cach noi » hanh noi, anh noi, cau noi
hoc dung » hoc ung, hoc dan, tac dung
khoa hoc » hoa hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va phap » va phat, ban phap
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((cach thoi) or (cach noi)) dai, nghien cuu mon hoc dung khoa hoc xa hoi va phap cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((cach thoi) OR (cach noi)) dai, nghien cuu mon hoc dung khoa hoc xa hoi va phap cong.
• Adding a wildcard symbol may retrieve word variants: te ((cach thoi) or (cach noi)) dai, nghien cuu mon hoc dung khoa hoc xa hoi va phap cong*.