Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
trinh va » trinh van, trinh vat, trinh ve
van tuan » van quan, van ban, anh tuan
dan chan » dan gian, dan ca, van chat
va bang » va nang, va lang, va ban

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: hoc thieu tinh - canh trinh va bang cong ((van tuan) OR (dan chan)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh trinh va bang cong ((van tuan) or (dan chan)) cau*.