Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
tan gian » tran gian, dan gian, van gian
gian nan » gian dan, gian lan, gian van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chieu sang)) - hanh ((trang cua) OR (tang cua)) nhung cong tan gian nan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sang)) - hanh ((trang cua) OR (tang cua)) nhung cong tan gian nan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (chieu sang)) - hanh ((trang cua) OR (tang cua)) nhung cong tan gian nan".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sang)) - hanh ((trang cua) OR (tang cua)) nhung cong tan gian nan*.