Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
trung ap » trung cap, trung lap, trung tam
cong van » cong vang, cong san, song van
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau
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) or (doi chieu)) xanh - thanh trung ap dung cong van ((phan cac) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - thanh trung ap dung cong van ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) xanh - thanh trung ap dung cong van ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - thanh trung ap dung cong van ((phan cac) OR (phan dau))*.