Perhaps you should try some spelling variations:
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
hoc thieu » hoc hien
cap quang » cai quang, chat quang, chau quang
luan phan » luan van, luan hoan
tung cap » trung cap, cung cap, thong cap
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 thieu) or (toc thieu)) tinh - thanh tung cap quang dung luan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - thanh tung cap quang dung luan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - thanh tung cap quang dung luan phan dau*.