Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu sang » chieu sang, hieu lang, hieu quang
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
mang cua » manh cua, dung cua, ban cua
cong ban » cong bang, cong san, cong tan
phap tu » phan tu, pham tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sang - cach mang cua nhung cong ban phap tu~.
• Adding a wildcard symbol may retrieve word variants: doc hieu sang - cach mang cua nhung cong ban phap tu*.