Perhaps you should try some spelling variations:
trong dang » truong dang, trong dan, trong dong
hanh trinh » canh tranh, hanh chinh
hien xanh » hien hanh, hien nhanh, chieu xanh
luat dung » luat chung, thuat dung, xuat duong
suat dung » thuat dung, xuat duong, suat huong
dang toan » dang tran, dan toan, dung toan
toan cao » toan ban, toan tap

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 ((luat dung) or (suat dung)) trong dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh ((luat dung) OR (suat dung)) trong dang toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh ((luat dung) or (suat dung)) trong dang toan cao*.