Perhaps you should try some spelling variations:
thieu hang » thieu khang, thieu quang, thi hang
phan huy » phan tu, phan xay, van huy
hanh vai » hanh vi, hanh va, hanh tai
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, ma hoa, me hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thieu hang ((ma hoi) or (xa hoi)). hieu ve ((phan huy) or (pham duc)) va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thieu hang ((ma hoi) OR (xa hoi)). hieu ve ((phan huy) OR (pham duc)) va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach thieu hang ((ma hoi) or (xa hoi)). hieu ve ((phan huy) or (pham duc)) va hanh vai cua te*.