Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cham luc » cham soc, nhan luc, cham cuu
dua tren » dung tren
nang mai » nang ma, lang mai, nang cai
nang tai » hang tai, tang tai, sang tai
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
va cham » va chat, va tham
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty ((nang mai) or (nang tai)) hoi. hieu va cham luc va thanh lai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((nang mai) OR (nang tai)) hoi. hieu va cham luc va thanh lai ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach ty ((nang mai) or (nang tai)) hoi. hieu va cham luc va thanh lai ((dua tren) or (cuu tre))*.