Perhaps you should try some spelling variations:
trong vang » trong van, trong dang, trong tang
chieu xanh » chieu sach, chieu sang, chieu tinh
vang toan » van toan, dang toan, quang toan
ho chieu » theo chieu, hoc thieu, doi chieu
nang cua » mang cua, hang cua, nang dua
toan cao » toan ban, toan tap
nang du » nang tu, nang luc, nang doc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - anh ((nang du) or (nang cua)) dung trong vang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - anh ((nang du) OR (nang cua)) dung trong vang toan cao*.