Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
dung duong » dung dong, dong duong, dung dung
hieu lang » chieu sang, nhieu tang, hieu van
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
duong anh » duong manh, duong xanh, duong vanh
vat dung » van dung, va dung, viet dung
tuan cau » toan cau, quan cau, tuan cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (hieu quang)) - ((hanh tang) OR (hanh mang)) vat dung duong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - ((hanh tang) OR (hanh mang)) vat dung duong anh tuan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (hieu quang)) - ((hanh tang) OR (hanh mang)) vat dung duong anh tuan cau*".