Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
quan cong » qua cong, luan cong, quan dong
cong cong » cong dong, trong cong, dung cong
cong dan » cong san, cong tan, huong dan
chan tap » phan tap, chan ta, toan tap
han tap » han tai, toan tap, nhan tai

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 - hanh trinh quan cong cong dan ((chan tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh trinh quan cong cong dan ((chan tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh trinh quan cong cong dan ((chan tap) or (han tap))*.