Perhaps you should try some spelling variations:
phap chong » phap phong, phap cong, phan hong
hanh thoi » hanh thuoc, nhanh thai, hanh noi
pham hong » pham hoang, pham cong, pham thuong
thoi tap » toi tap, hoc tap, thoi dai
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
hoa van » hoa dan, hoang van, hoa phan
mo hoc » mon hoc, co hoc
thuc » thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuc hanh thoi tap, nghien cuu mo hoc ((phap chong) or (pham hong)) hoc ma hoa van nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc hanh thoi tap, nghien cuu mo hoc ((phap chong) OR (pham hong)) hoc ma hoa van nhan van.
• Adding a wildcard symbol may retrieve word variants: thuc hanh thoi tap, nghien cuu mo hoc ((phap chong) or (pham hong)) hoc ma hoa van nhan van*.