Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh cua » trinh luat, trinh luan, trinh chat
hang cong » dang cong, hang nong, bang cong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
tinh cua » sinh cua, tinh chat, tranh cua
toan ban » van 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 hien xanh - hanh ((((trinh cua) or (tinh cua))) or (trinh quan)) hang cong dang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((((trinh cua) OR (tinh cua))) OR (trinh quan)) hang cong dang toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((((trinh cua) or (tinh cua))) or (trinh quan)) hang cong dang toan ban*.