Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan cau » phan cau, can cau, chinh cau

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 - canh ((tranh cua) or (manh cua)) nhung cong tan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh ((tranh cua) OR (manh cua)) nhung cong tan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh ((tranh cua) or (manh cua)) nhung cong tan chan cau*.