Perhaps you should try some spelling variations:
thanh vang » thanh van, thanh hang, thanh hoang
hoc truc » hoc thuc, hoc trung, hoc thuoc
thi hang » thi hanh, thi nang, thi hong
vang cua » mang cua, hang cua, tang cua
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
hoc tuc » hoc thuc, hoc tu, hoc duc
cua tuc » cua duc, cua tu, cua thuoc

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 ((thi hang) or (ty xang)) xa hoi. lieu va ((hoc tuc) OR (hoc truc)) va thanh vang cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thi hang) OR (ty xang)) xa hoi. lieu va ((hoc tuc) OR (hoc truc)) va thanh vang cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thi hang) or (ty xang)) xa hoi. lieu va ((hoc tuc) OR (hoc truc)) va thanh vang cua tuc".
• Adding a wildcard symbol may retrieve word variants: te sach ((thi hang) or (ty xang)) xa hoi. lieu va ((hoc tuc) OR (hoc truc)) va thanh vang cua tuc*.