Perhaps you should try some spelling variations:
ngang thanh » nang thanh, nganh thanh, ngan thanh
cong ngang » cong nhan, cong quang, cong lang
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » hoc hien
trang nam » trong nam, trung nam, tang nam
trung cap » truong cao, trung tam
dung cong » dung trong

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)) sang - hanh ((trang nam) or (trung cap)) dung cong ngang thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - hanh ((trang nam) OR (trung cap)) dung cong ngang thanh phan.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) sang - hanh ((trang nam) or (trung cap)) dung cong ngang thanh phan*.