Perhaps you should try some spelling variations:
tham luc » tham nuoc, tham thuc, nhan luc
danh vai » danh sai, danh va, doanh van
sang tao » hang tai
than luc » nhan luc, than duc, thanh luu
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
te sach » toc sach
sang ma » tang ma, nang ma, mang may
cua tre » cua te, cuu tre, cua triet

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 y ((sang ma) or (sang tao)) hoi. lieu va ((tham luc) OR (than luc)) va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((sang ma) OR (sang tao)) hoi. lieu va ((tham luc) OR (than luc)) va danh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((sang ma) or (sang tao)) hoi. lieu va ((tham luc) OR (than luc)) va danh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((sang ma) or (sang tao)) hoi. lieu va ((tham luc) OR (than luc)) va danh vai cua tre*.