Perhaps you should try some spelling variations:
phuong canh » phuong anh, phuong cach, phong canh
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
cua phuong » cuu phuong, cuc phuong, luan phuong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
nhanh cay » nhanh ha, nhanh bac, nhanh va
canh dan » canh van, sanh dan, thanh dan
chinh ca » chinh ta, chinh va, chinh tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh trung cua phuong canh dan ((nhanh cay) or (chinh ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh trung cua phuong canh dan ((nhanh cay) OR (chinh ca)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh trung cua phuong canh dan ((nhanh cay) or (chinh ca))*.