Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
vang khang » van khang, quang khang, van khanh
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh cua » doanh luan
cong vang » cong lang, cong quang, cong ngang
manh cua » ban cua
khang cu » khung cua, thang cua, chung cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh ((manh cua) or (doanh cua)) thong cong vang khang cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh ((manh cua) OR (doanh cua)) thong cong vang khang cu.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh ((manh cua) or (doanh cua)) thong cong vang khang cu*.