Perhaps you should try some spelling variations:
manh tuan » anh tuan, manh toan, minh tuan
duc manh » suc manh, duc anh, duc minh
te sach » toc sach
ve pham » vi pham, v pham, ve phan
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
hieu ve » hieu va, hieu van
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
ma hoi » mai hoi, xa hoi, me hoi

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 ly nang ((ma hoi) or (ma hoa)). hieu ve pham duc manh tuan ((vai cua) or (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((ma hoi) OR (ma hoa)). hieu ve pham duc manh tuan ((vai cua) OR (lai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((ma hoi) or (ma hoa)). hieu ve pham duc manh tuan ((vai cua) or (lai cua)) tre*.