Perhaps you should try some spelling variations:
thu huong » thu cong
gat thanh » dat thanh, tat thanh, vat thanh
thanh lai » thanh hai, thanh lap, thanh loi
thu nang » thi nang, thu hang, thu bang
nam thuc » nam thuoc, am thuc, nam thu
thuc gat » thuc vat, thuc giai, thuc hoat
so sach » so sanh, bo sach, co sach
qua nam » quan nam, cua nam, quang nam
lai cua » dai cua, hai cua, lai chau
cua tu » cua tuc, cua su, cua cu

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 ((thu nang) or (thu huong)) xa hoi. hieu qua nam thuc gat thanh lai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((thu nang) OR (thu huong)) xa hoi. hieu qua nam thuc gat thanh lai cua tu.
• Adding a wildcard symbol may retrieve word variants: so sach ((thu nang) or (thu huong)) xa hoi. hieu qua nam thuc gat thanh lai cua tu*.