Perhaps you should try some spelling variations:
ngang toan » nganh toan, dang toan, quang toan
cong ngang » cong nhan, cong quang, cong lang
hoc thieu » toc thieu
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, doi chieu, mot chieu
anh nang » ganh nang, anh bang, anh dang
nang dua » nang du, nang suat, nang quan
dua dong » cua dong, duc dong, duy dong
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((hoc thieu) OR (hoc hien)))) xanh - anh nang dua dong cong ngang toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((hoc thieu) OR (hoc hien)))) xanh - anh nang dua dong cong ngang toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((hoc thieu) OR (hoc hien)))) xanh - anh nang dua dong cong ngang toan tap*.