Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
manh toan » thanh toan, anh tuan

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 - ((hanh tang) or (hanh mang)) va nhung tuong ((manh toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh tang) OR (hanh mang)) va nhung tuong ((manh toan) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh tang) or (hanh mang)) va nhung tuong ((manh toan) or (tinh toan)) cau*.