Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
anh dong » anh huong, anh son
dong cua » dung cua, cong cua, huong cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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 - anh dong cua dung cong dan ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - anh dong cua dung cong dan ((than tap) OR (phan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - anh dong cua dung cong dan ((than tap) or (phan tap))*.