Perhaps you should try some spelling variations:
phuong dan » phuong danh, phuong doan, huong dan
ban phuong » bang phuong, ban huong, van phuong
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu, sinh va
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
doi chi » doi khi

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chi)) xanh - nhan sinh cua ban phuong dan ((toan tai) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chi)) xanh - nhan sinh cua ban phuong dan ((toan tai) OR (toan ban))*.