Perhaps you should try some spelling variations:
trinh chat » tinh chat, trinh luat, trinh han
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tinh binh » ninh binh, tinh ninh
hang cong » dang cong, hang nong, bang cong
tac trinh » tao trinh, lap trinh, tac trong
binh van » dinh van, binh dan, binh tan
van hang » van khang, van hoang, van thang
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu sach)) - tinh binh van hang cong tac trinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - tinh binh van hang cong tac trinh chat*.