Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh trung » thanh tung
phong chong » thong thong
thieu sang » chieu sang, thieu quang, hieu lang
chong phap » phuong phap
trung tao » trung tam, trong tao, trung tai
tao phong » tai phong, tao thong, tay phong
hoan tap » toan tap, han tap, hoan tran

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 sang) or (thieu khang)) - thanh trung tao phong chong phap hoan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu khang)) - thanh trung tao phong chong phap hoan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) or (thieu khang)) - thanh trung tao phong chong phap hoan tap*.