Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
tung tham » tuong tham, tung pham, cung tham
tham dung » pham dung, tham cung, tham nhung
dung cong » dung trong
cong sat » cong suat, cong san, cong hat
sat qua » mat qua, sat quang, hat quan
qua ban » cua ban, qua quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) tinh - thanh tung tham dung cong sat qua ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) tinh - thanh tung tham dung cong sat qua ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) tinh - thanh tung tham dung cong sat qua ban*.