Perhaps you should try some spelling variations:
gat thanh » dat thanh, tat thanh, gian thanh
vat thanh » dat thanh, tat thanh, viet thanh
cam thuc » am thuc, nam thuc, cam thu
cau treo » cau theo, cau tren, cau triet
tu sach » thu sach, su sach, te sach
bo sach » co sach, hoc sach
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (bo sach)) ky nang xa hoi. lieu va cam thuc ((vat thanh) or (gat thanh)) vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (bo sach)) ky nang xa hoi. lieu va cam thuc ((vat thanh) OR (gat thanh)) vi cau treo.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (bo sach)) ky nang xa hoi. lieu va cam thuc ((vat thanh) or (gat thanh)) vi cau treo*.