Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
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 thieu tach - hanh trinh cua nhung ((huong dan) or (cong tan)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - hanh trinh cua nhung ((huong dan) OR (cong tan)) ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh trinh cua nhung ((huong dan) or (cong tan)) ((toan cao) or (toan tap))*.