Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
thi van » thi lan, thi hanh, thi nang
van bac » van ban, van bao, van hac
va hanh » van hanh, va thanh, va danh
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach o lang xa hoi. thi van bac duc va hanh lai ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach o lang xa hoi. thi van bac duc va hanh lai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: vu sach o lang xa hoi. thi van bac duc va hanh lai ((cua te) OR (cua tu))*.