Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thiet anh » thien anh, thuyet anh, thich anh
hanh dung » thanh dung, anh dung, hanh dong
luan hang » luan han, luan hung, luan tang
luan nang » luan van, van nang, luan san
nong dan » cong dan, nong san, nguong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thiet anh) or (thien danh)) - hanh dung ((luan hang) OR (luan nang)) nong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thiet anh) OR (thien danh)) - hanh dung ((luan hang) OR (luan nang)) nong dan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thiet anh) or (thien danh)) - hanh dung ((luan hang) OR (luan nang)) nong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thiet anh) or (thien danh)) - hanh dung ((luan hang) OR (luan nang)) nong dan phan dau*.