Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
anh quang » anh xquang, anh quan, nhanh quang
cong lang » cong vang, cong luong, cong quang
toc hieu » toc thieu, doc hieu, hoc thieu
anh nang » ganh nang, anh bang, anh dang
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: toc hieu manh - ((anh nang) or (anh quang)) cua cong ((cong lang) or (thong quang)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - ((anh nang) OR (anh quang)) cua cong ((cong lang) OR (thong quang)) toan tap.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - ((anh nang) or (anh quang)) cua cong ((cong lang) or (thong quang)) toan tap*.