Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong lan » phuong la, thuong lan, phuong linh
chi xanh » chi anh, chi danh, chi hanh
hinh cua » chinh cua, tinh cua, dinh cua
sinh cua » manh cua, dinh cuu, sinh va
lan toan » van toan, dan toan, lap toan
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((chinh ngan) or (((hinh cua) OR (sinh cua)))) nhung phuong lan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((chinh ngan) OR (((hinh cua) OR (sinh cua)))) nhung phuong lan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh ((chinh ngan) or (((hinh cua) OR (sinh cua)))) nhung phuong lan toan ban".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((chinh ngan) or (((hinh cua) OR (sinh cua)))) nhung phuong lan toan ban*.