Perhaps you should try some spelling variations:
trang tuan » tran tuan, trung tuan, trong tuan
hien tinh » khien tinh, thien tinh, bien tinh
trang qua » trong qua, trong quan, trung quan
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
phan cac » nhan cach, phan dau, phan van
phan lap » phan 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 hien tinh - hanh ((trang qua) OR (trang tuan)) dung cong doan ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - hanh ((trang qua) OR (trang tuan)) dung cong doan ((phan cac) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tinh - hanh ((trang qua) OR (trang tuan)) dung cong doan ((phan cac) or (phan lap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh ((trang qua) OR (trang tuan)) dung cong doan ((phan cac) or (phan lap))*.