Perhaps you should try some spelling variations:
tieu sang » chieu sang, tiem nang, tinh sang
tieu dung » dieu duong, tin dung, viet dung
minh tuan » anh tuan
song dan » song danh, song van, cong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
ki nang » ky nang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tieu dung)) - ((minh tuan) OR (canh tranh)) ki nang song dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) OR (tieu dung)) - ((minh tuan) or (canh tranh)) ki nang song dan than cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) OR (tieu dung)) - ((minh tuan) or (canh tranh)) ki nang song dan than cao*.