Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
tanh trong » tranh trong, hanh trong, lanh trong
hoc thieu » toc thieu, hoc hien
anh trong » anh thuong, dinh trong, lang trong
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
ca dang » cao dang, cua dang, cac dang

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 tinh - ((tanh trong) or (anh trong)) ca dang cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((tanh trong) OR (anh trong)) ca dang cong dan chan cau*.