Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
dieu tinh » diep tinh, lieu tinh, dien tinh
hoc dieu » hoc thieu, hoc hien
cua rung » cua trung, cua rang, cua truong
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu tinh - hanh trinh ((cua rung) or (cua dang)) cong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu tinh - hanh trinh ((cua rung) OR (cua dang)) cong dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc dieu tinh - hanh trinh ((cua rung) or (cua dang)) cong dan ((toan cao) or (toan tap))*.