Perhaps you should try some spelling variations:
thien nang » thien bang, thien dang, trien nang
cua truong » cua trung, xuan truong, cac truong
hoc thien » hoc hien, hoc thieu, hoc thiet
qua trong » quan trong, qua trinh, qua song
cong tan » cong tac, cong san, cong thanh
tan xang » tan khang, tang bang, tan van
xang dau » 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 thien nang - cach mang ((cua truong) or (qua trong)) cong tan xang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien nang - cach mang ((cua truong) OR (qua trong)) cong tan xang dau*.