Perhaps you should try some spelling variations:
quang tuan » quang thanh, quan luan, quang cua
thong dung » thong cong, thong thuong
dung thanh » duong thanh, dong thanh, dang thanh
trong mach » trong cac, trong minh, trong anh
hieu lang » chieu sang, hieu quang, nhieu tang
tung tuan » trung tuan, hung tuan, trang tuan
nho hieu » nha hieu, nho sieu, nhu hieu
trong ba » trong ban, trong bau, trong ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho hieu lang - thanh ((tung tuan) OR (quang tuan)) thong dung thanh ((trong mach) or (trong ba))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu lang - thanh ((tung tuan) OR (quang tuan)) thong dung thanh ((trong mach) OR (trong ba)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho hieu lang - thanh ((tung tuan) OR (quang tuan)) thong dung thanh ((trong mach) or (trong ba))".
• Adding a wildcard symbol may retrieve word variants: nho hieu lang - thanh ((tung tuan) OR (quang tuan)) thong dung thanh ((trong mach) or (trong ba))*.