Perhaps you should try some spelling variations:
tang thanh » dang thanh, trung thanh, hoang thanh
thuat sach » thuat lanh, thuat san
thanh lap » thanh san, phan lap, thanh hai
duc tang » duc thang, duc tan, tuc tang
lap cua » lai cua, tap cua, lam cua
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
cua te » cua tu
ve bao » te bao, va bao
ve cac » va cac, vien cac

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 ty ((nang x) or (lang xa)) hoi. hieu ((ve cac) or (ve bao)) duc tang thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ty ((nang x) OR (lang xa)) hoi. hieu ((ve cac) OR (ve bao)) duc tang thanh lap cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach ty ((nang x) or (lang xa)) hoi. hieu ((ve cac) or (ve bao)) duc tang thanh lap cua te*.