Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
cong trong » cong thuong, duong trong, cong trinh
trong hung » trong nhung, trong phung, trong rung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
trung ap » trung cap, trung lap, trung tam
hung cau » nhung cau, huong cau, hang cau
ap dung » xay dung, van dung

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 tinh - thanh trung ap dung cong trong hung cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung ap dung cong trong hung cau*.