Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (hieu quang)) - canh manh cua nhung ((cong dong) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - canh manh cua nhung ((cong dong) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (hieu quang)) - canh manh cua nhung ((cong dong) or (cong tan)) toan tap*.