Perhaps you should try some spelling variations:
hoc trieu » hoc thieu, hoc tieu, hoc dieu
dung cong » dung trong
trang va » hang va
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - hanh ((trang va) OR (tran van)) dung cong dan phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc trieu tinh - hanh ((trang va) OR (tran van)) dung cong dan phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - hanh ((trang va) OR (tran van)) dung cong dan phan cac*.