Perhaps you should try some spelling variations:
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
thanh loc » thanh loi, thanh hoc, thanh long
cau tren » cu tren, dau tren, ca tren
thi hanh » thi thanh
danh dat » danh bat, dinh dat, dan dat
thi hong » thi phuong, thi nang
thi cong » tai cong, thien cong
va danh » va dinh, va dan, va hanh
su sach » so sach
vu sach » vu bach, vu khach
loc va » hoc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu sach)) ((thi hong) OR (thi cong)) xa hoi. thi hanh thanh loc va danh dat cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ((thi hong) OR (thi cong)) xa hoi. thi hanh thanh loc va danh dat cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) ((thi hong) OR (thi cong)) xa hoi. thi hanh thanh loc va danh dat cau tren".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ((thi hong) OR (thi cong)) xa hoi. thi hanh thanh loc va danh dat cau tren*.