Perhaps you should try some spelling variations:
thieu khang » chieu khong
thieu quang » hieu quang, trien quang, hieu quan
thanh trung » thanh tung
thien quan » trien quang, lien quan, thien van
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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 khang) or (((thieu quang) OR (thien quan)))) - thanh trung cap thong cong san than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (((thieu quang) OR (thien quan)))) - thanh trung cap thong cong san than cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) or (((thieu quang) OR (thien quan)))) - thanh trung cap thong cong san than cao*".