Perhaps you should try some spelling variations:
hoc thieu » hoc hien
phan dung » phan ung, phan dang, chan dung
dung cong » dung trong
binh dan » minh danh, binh dinh, binh luan
dan phan » doan phan, dan chan, van phan
cong tan » cong tac, cong san, cong thanh
tan pha » tan phat, tan ha, ban pha
pha tap » pham tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) tinh - binh dan phan dung cong tan pha tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - binh dan phan dung cong tan pha tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - binh dan phan dung cong tan pha tap*.