Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
manh anh » minh anh, anh anh, thanh anh
duc manh » suc manh, duc anh, duc minh
vai cua » hai cua, lai cua, bai cua
cac duc » cac du, cao duc, cac dac
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
lang ha » long ha
lang xa » dang xay, lang van
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 ky ((lang xa) or (lang ha)) hoi. hieu ve cac duc manh anh ((vai cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky ((lang xa) OR (lang ha)) hoi. hieu ve cac duc manh anh ((vai cua) OR (dai cua)) te.
• Adding a wildcard symbol may retrieve word variants: thuat sach ky ((lang xa) or (lang ha)) hoi. hieu ve cac duc manh anh ((vai cua) or (dai cua)) te*.