Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
den thanh » de thanh, dinh thanh, dong thanh
hien hanh » dieu hanh
thang qua » thong qua, thang cua, thang mua
qua thong » qua trong, quang thong, suat thong
huong anh » phuong anh, khuong anh, hung anh
hong anh » hoang anh, hong hanh, dong anh
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((den thanh) or (hien hanh)) - thanh thang qua thong ((huong anh) OR (hong anh)) tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((den thanh) OR (hien hanh)) - thanh thang qua thong ((huong anh) OR (hong anh)) tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((den thanh) or (hien hanh)) - thanh thang qua thong ((huong anh) OR (hong anh)) tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((den thanh) or (hien hanh)) - thanh thang qua thong ((huong anh) OR (hong anh)) tuan cao*.