Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong thao » phuong phap, phuong thuc
chieu sang » chieu sach, chieu xanh, hieu lang
luan nhung » luan chung, luan hung, quan nhung
hieu van » hieu va, thien van, lieu va
thao ran » thao van, thai ran, thai tran
ha dung » hai dung, hat dung, kha dung
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (hieu van)) - ha dung luan nhung phuong thao ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu van)) - ha dung luan nhung phuong thao ran cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu van)) - ha dung luan nhung phuong thao ran cau*.