Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
hanh lai » hanh lam, thanh lap, thanh loi
cham duc » pham duc, cham soc, pham duy
cau treo » cau theo, cau tren, cau triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
sach ky » sac ky, sach ty, sach kem
va cham » va chat, va tham

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach ky) or (sach y)) nang xa hoi. hieu va cham duc va ((hanh lai) OR (hanh tai)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach ky) OR (sach y)) nang xa hoi. hieu va cham duc va ((hanh lai) OR (hanh tai)) cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sach ky) or (sach y)) nang xa hoi. hieu va cham duc va ((hanh lai) OR (hanh tai)) cau treo".
• Adding a wildcard symbol may retrieve word variants: thuat ((sach ky) or (sach y)) nang xa hoi. hieu va cham duc va ((hanh lai) OR (hanh tai)) cau treo*.