Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tuong dan » huong dan, xuong dan, truong dai
tung dan » dung dan, huong dan, trung dai
phan cau » phan dau, phan cac, phan tu

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 - canh tranh cua nhung ((tuong dan) OR (tung dan)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - canh tranh cua nhung ((tuong dan) OR (tung dan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh tranh cua nhung ((tuong dan) OR (tung dan)) phan cau*.