Perhaps you should try some spelling variations:
thien van » thi van
sach ly » sach y, sach lo, sach ty
doi cua » dai cua, hoi cua
va lang » va nang, hoa lang
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
cam lo » nam lo, cam ly, cam o
di cua » dai cua, de cua, do cua
x hoi » xa hoi, o hoi, x ho

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 x hoi. thien van ((cam loc) or (cam lo)) va lang ((di cua) OR (doi cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang x hoi. thien van ((cam loc) OR (cam lo)) va lang ((di cua) OR (doi cua)) viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang x hoi. thien van ((cam loc) or (cam lo)) va lang ((di cua) OR (doi cua)) viet*".